paleo data:
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    table name: paleo1measurement1
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      mean value12k: NA
      measurement table name: measurementTable1
      median res12k: NA
      paleo data table name: TRW
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      sensor species: LALY
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      units: count
      use in global temperature analysis: FALSE
      variable name: sampleCount
      variable type: measured
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      interpretation:
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        compilation version: 2_1_2
        compilation version: 2_1_3
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      interpretation:
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ages per kyr: NA
archive type: Wood
created by: matlab
data contributor: Littell, J.
dataset id: 9IaTDhASl0exwrBlIu3G
data set name: NAm-PintlersTwo.Littell.2011
dataset version: 1.0.6
google data URL: https://docs.google.com/spreadsheets/d/15BVsjbzaF7wBjzgmbj4I-3m7r6dv1SGntXHPOmk9whE
google metadata worksheet: obbzgm0
lipdverse link: https://lipdverse.org/data/9IaTDhASl0exwrBlIu3G/1_0_7
max year: 2006
min year: 1248
original data URL: https://www.ncdc.noaa.gov/paleo/study/12697
lipd version: 1.3
pub: The unusual nature of recent snowpack declines in the North American Cordillera
pub: World Data Center for Paleoclimatology

has max value: 1
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scope: climate

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compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

basis: first principles and instrumental correlation
interp direction: positive
scope: climate
seasonality: Summer
variable: temperature
variable detail: air@surface
direction: positive

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compilation name: Pages2kTemperature
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compilation version: 2_1_2
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compilation version: 2_1_4
compilation version: 2_2_0

scope: climate

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compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

scope: climate

has max value: 1
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units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

archive type: tree
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long name: segment
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measurement table name: measurementTable1
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paleo data table name: TRW
proxy observation type: ringWidth
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units: cm
use in global temperature analysis: FALSE
variable name: ringWidth
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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measurement table name: measurementTable1
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pages2k ID: NAm_182
paleo data table name: TRW
proxy: ring width
proxy general: dendrophysical
proxy observation type: trsgi
QC certification: GTP, CCR
sensor species: LALY
t sid: NAm_2836
use in global temperature analysis: TRUE
variable name: ringWidth
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
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archive type: tree
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variable name: residualChronology
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WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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archive type: tree
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measurement table name: measurementTable1
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method: ARSTAN
paleo data table name: TRW
sensor species: LALY
t sid: NAm_2838
use in global temperature analysis: FALSE
variable name: ARSTAN
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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archive type: tree
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long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: LALY
summary statistic: CORR
t sid: NAm_2839
use in global temperature analysis: FALSE
variable name: correlationCoefficient
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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values: 406
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interpretation:
  scope: climate
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in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
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long name: segment
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measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: LALY
t sid: NAm_2840
use in global temperature analysis: FALSE
variable name: RBAR
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
has time tsid: PYTBV066JDL
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interpretation:
  scope: climate
has resolution:
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in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
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archive type: tree
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long name: segment
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measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: LALY
summary statistic: 1 sigma
t sid: NAm_2841
use in global temperature analysis: FALSE
variable name: uncertainty1s
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
has time tsid: PYTBV066JDL
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interpretation:
  scope: climate
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in compilation beta:
  compilation name: Pages2kTemperature
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  compilation version: 2_1_3
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archive type: tree
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measurement table name: measurementTable1
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paleo data table name: TRW
sensor species: LALY
summary statistic: 1 sigma
t sid: NAm_2842
use in global temperature analysis: FALSE
variable name: uncertainty1s
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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interpretation:
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in compilation beta:
  compilation name: Pages2kTemperature
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  compilation version: 2_1_2
  compilation version: 2_1_3
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archive type: tree
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measurement table name: measurementTable1
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paleo data table name: TRW
sensor species: LALY
t sid: NAm_2843
use in global temperature analysis: FALSE
variable name: EPS
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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interpretation:
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in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
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use in global temperature analysis: FALSE
variable name: core
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-PintlersTwo.Littell.2011.txt
primary age column: false
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values: 28.6
values: 29
values: 28.72
values: 28.22
values: 27.72
values: 27.22
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

version: 1.0.7
last version: 1.0.6
curator: nicholas
timestamp: 2025-06-07 00:01:44.9752 UTC
changes:
  paleo interpretation metadata: ringWidth (NAm_2836): interpretation1_direction: '' has been replaced by 'positive'

version: 1.0.6
last version: 1.0.5
curator: nicholas
timestamp: 2025-05-20 19:52:59.490066 UTC
changes:
  paleo column metadata: sampleCount (NAm_2833): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: sampleCount (NAm_2833): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: segmentLength (NAm_2834): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: segmentLength (NAm_2834): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_2835): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_2835): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_2836): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_2836): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: residualChronology (NAm_2837): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: residualChronology (NAm_2837): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: ARSTAN (NAm_2838): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: ARSTAN (NAm_2838): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: correlationCoefficient (NAm_2839): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: correlationCoefficient (NAm_2839): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: RBAR (NAm_2840): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: RBAR (NAm_2840): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_2841): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_2842): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: EPS (NAm_2843): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: EPS (NAm_2843): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: core (NAm_2844): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: core (NAm_2844): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: year (PYTBV066JDL): paleoData_isPrimary: '' has been replaced by 'TRUE'
  paleo column metadata: year (PYTBV066JDL): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'

version: 1.0.5
last version: 1.0.4
curator: nicholas
timestamp: 2025-04-09 21:53:43.012578 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
  paleo interpretation metadata: ringWidth (NAm_2836): interpretation1_seasonality: 'summer' has been replaced by 'Summer'
  paleo interpretation metadata: ringWidth (NAm_2836): interpretation1_variable: 'T' has been replaced by 'temperature'

version: 1.0.4
last version: 1.0.3
curator: nicholas
timestamp: 2025-04-09 20:08:06.420969 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  paleo interpretation metadata: ringWidth (NAm_2836): interpretation1_seasonality: 'summer' has been replaced by 'Summer'
  paleo interpretation metadata: ringWidth (NAm_2836): interpretation1_variable: 'T' has been replaced by 'temperature'

version: 1.0.3
last version: 1.0.2
curator: nicholas
timestamp: 2025-03-05 20:42:10.6008 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  paleo column metadata: sampleCount (NAm_2833): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: segmentLength (NAm_2834): paleoData_variableName: 'segment' has been replaced by 'segmentLength'
  paleo column metadata: segmentLength (NAm_2834): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: segmentLength (NAm_2834): paleoData_summaryStatistic: '' has been replaced by 'mean'
  paleo column metadata: ringWidth (NAm_2835): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ringWidth (NAm_2836): paleoData_proxy: 'TRW' has been replaced by 'ring width'
  paleo column metadata: ringWidth (NAm_2836): paleoData_variableName: 'trsgi' has been replaced by 'ringWidth'
  paleo column metadata: ringWidth (NAm_2836): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ringWidth (NAm_2836): paleoData_proxyGeneral: '' has been replaced by 'dendrophysical'
  paleo column metadata: residualChronology (NAm_2837): paleoData_variableName: 'residual' has been replaced by 'residualChronology'
  paleo column metadata: residualChronology (NAm_2837): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ARSTAN (NAm_2838): paleoData_variableName: 'ARS' has been replaced by 'ARSTAN'
  paleo column metadata: ARSTAN (NAm_2838): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ARSTAN (NAm_2838): paleoData_method: '' has been replaced by 'ARSTAN'
  paleo column metadata: correlationCoefficient (NAm_2839): paleoData_variableName: 'corrs' has been replaced by 'correlationCoefficient'
  paleo column metadata: correlationCoefficient (NAm_2839): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: correlationCoefficient (NAm_2839): paleoData_summaryStatistic: '' has been replaced by 'CORR'
  paleo column metadata: RBAR (NAm_2840): paleoData_variableName: 'RBar' has been replaced by 'RBAR'
  paleo column metadata: RBAR (NAm_2840): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: uncertainty1s (NAm_2841): paleoData_variableName: 'SD' has been replaced by 'uncertainty1s'
  paleo column metadata: uncertainty1s (NAm_2841): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_2841): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: uncertainty1s (NAm_2841): paleoData_summaryStatistic: '' has been replaced by '1 sigma'
  paleo column metadata: uncertainty1s (NAm_2842): paleoData_variableName: 'SE' has been replaced by 'uncertainty1s'
  paleo column metadata: uncertainty1s (NAm_2842): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_2842): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: uncertainty1s (NAm_2842): paleoData_summaryStatistic: '' has been replaced by '1 sigma'
  paleo column metadata: EPS (NAm_2843): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: core (NAm_2844): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: year (PYTBV066JDL): paleoData_units: 'AD' has been replaced by 'yr AD'
  paleo column metadata: year (PYTBV066JDL): paleoData_longName: '' has been replaced by 'segment'

version: 1.0.2
last version: 1.0.1
curator: nicholas
timestamp: 2025-02-24 22:49:57.940375 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
  base metadata: archiveType: 'tree' has been replaced by 'Wood'

version: 1.0.1
last version: 1.0.0
curator: nicholas
timestamp: 2022-08-23 23:47:07 UTC
changes:
  paleo interpretation metadata: sampleCount (NAm_2833): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: segment (NAm_2834): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: ringWidth (NAm_2835): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: residual (NAm_2837): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: ARS (NAm_2838): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: corrs (NAm_2839): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: RBar (NAm_2840): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: SD (NAm_2841): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: SE (NAm_2842): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: EPS (NAm_2843): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: core (NAm_2844): interpretation1_scope: '' has been replaced by 'climate'

version: 1.0.0
curator: nicholas
timestamp: 2022-08-23 23:41:56 UTC
notes: Starting the changelog

The unusual nature of recent snowpack declines in the North American Cordillera
author: Pederson, G. T.;Gray, S. T.;Woodhouse, C. A.;Betancourt, J. L.;Fagre, D. B.;Littell, J. S.;Watson, E.;Luckman, B. H.;Graumlich, L. J.
cite key: pederson2011theunusualnatureofrecents
data url: doi.org
doi: 10.1126/science.1201570
journal: Science
pages: 332-335
publisher: American Association for the Advancement of Science (AAAS)
pub year: 2011
type: article
volume: 333
year: 2011

World Data Center for Paleoclimatology
author: Littell, J.
doi: 10.1126/science.1201571
institution: World Data Center for Paleoclimatology
type: dataCitation
url: https://www.ncdc.noaa.gov/paleo/study/12697
urldate: 2011

longitude: -113.4
latitude: 46
elevation: 2750
geometry type: Point
pages2k region: NAm
site name: Pintlers Two